National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-0746 Detail

Description

The make_indexed_dir function in fs/ext4/namei.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate a certain rec_len field, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.

Source:  MITRE      Last Modified:  02/27/2009

Quick Info

CVE Dictionary Entry:
CVE-2009-0746
Original release date:
02/27/2009
Last revised:
09/28/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.9 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/02/2009)

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG. This issue was addressed in Red Hat Enterprise Linux 5 by https://rhn.redhat.com/errata/RHSA-2009-1243.html

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://bugzilla.kernel.org/show_bug.cgi?id=12430 External Source CONFIRM http://bugzilla.kernel.org/show_bug.cgi?id=12430
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e6b8bc09ba2075cd91fbffefcd2778b1a00bd76f External Source CONFIRM http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e6b8bc09ba2075cd91fbffefcd2778b1a00bd76f
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19 External Source CONFIRM http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7 External Source CONFIRM http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7
http://rhn.redhat.com/errata/RHSA-2009-1243.html External Source REDHAT RHSA-2009:1243
http://www.debian.org/security/2009/dsa-1749 External Source DEBIAN DSA-1749
http://www.securityfocus.com/archive/1/archive/1/507985/100/0/threaded External Source BUGTRAQ 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components
http://www.ubuntu.com/usn/usn-751-1 External Source UBUNTU USN-751-1
http://www.vmware.com/security/advisories/VMSA-2009-0016.html External Source CONFIRM http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.vupen.com/english/advisories/2009/0509 Vendor Advisory External Source VUPEN ADV-2009-0509
http://www.vupen.com/english/advisories/2009/3316 External Source VUPEN ADV-2009-3316
https://exchange.xforce.ibmcloud.com/vulnerabilities/48872 External Source XF linux-kernel-makeindexeddir-ext4-dos(48872)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10342 External Source OVAL oval:org.mitre.oval:def:10342
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8039 External Source OVAL oval:org.mitre.oval:def:8039

References to Check Content

Identifier:
oval:org.mitre.oval:def:10342
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10342
Identifier:
oval:org.mitre.oval:def:8039
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:8039

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:2.6.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.27.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.28.6:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History 3 change records found - show changes